This fact is from Maxillofacial Prosthetics in Prosthodontics. It is a commonly tested concept in NEET MDS examinations. Understanding this fact is crucial for answering MCQs correctly.
Surgical obturator first then Interim obturator then Definitive obturator
Aramany classification for maxillectomy defects
Speech bulb for velopharyngeal insufficiency
Orbital prosthesis retained by implants or adhesive.